30results about How to "Thermal safety" patented technology

The invention provides a charging type implantable medical device having a protection function and a limiting function and belongs to the technical field of implantable medical instruments. The device has the protection function and the limiting function. The protection function includes implanted rechargeable battery temperature protection, implanted titanium temperature protection, protection by a battery protection circuit and an external charging coil temperature protection. The limiting function includes inner receiving power limiting, magnetic induction strength limiting, charging efficiency limiting and external transmission power limiting. The implanted rechargeable battery protection circuit realizes comprehensive protection against conditions such as overvoltage, under voltage, overcurrent and load short circuit that may cause damage to a battery. The device provided by the invention has characteristics of guaranteeing heat safety, battery safety and electromagnetic safety.

The invention relates to a control system of a pressure-limiting glass evacuated solar water heater without a water tank. An electric heating pipe and a water temperature / level sensor are arranged ina heat collector. A water feeding valve is arranged on a water inlet pipe of the heat collector. A hot water faucet, a water flow sensor, a check valve, a relief valve, a water pressure switch, a safety valve, an expansion valve and an intake valve are sequentially arranged in the direction from the water outlet of a water outlet pipe of the heat collector to the heat collector. The water pressureswitch is electrically connected with the water feeding valve and a controller. The water outlet pipe between the check valve and the water flow sensor is connected with the water inlet of the waterinlet pipe by a cold water pipe which is provided with a signal valve. The water flow sensor, the intake valve, the relief valve and the signal valve are all connected with the controller. The systemadopts the water pressure switch on the water outlet pipe to detect the water pressure in the heat collector and to combine the signal valve on the cold water pipe to ensure the water heater to supplywater normally, which is simple in structure, reasonable in design, safe, convenient, good in freeze-proof and shock-proof effects, high in intelligent control degree and free from potential safety hazard.

The invention discloses a blade server comprising at least one blade housing. Each blade housing houses at least one blade server motherboard and further houses coolant. The coolant is electrically insulated. Each blade server is at least partly soaked in the coolant. In addition, each blade housing is provided with a coolant inlet and a coolant outlet. The blade server motherboards in the blade housings are soaked in the coolant, so that the blade server can be cooled more efficiently; the blade server motherboards can operate at the proper temperature, operating performances of the blade server motherboards can be ensured. The electric insulation of the coolant further ensures that the blade server motherboards can be cooled safely during normal operation.

The invention discloses a power equipment cooling device. The power equipment cooling device comprises an electric power cabinet body, a water tank and a heat dissipation tank, wherein the top of an inner cavity of the electric power cabinet body is fixedly connected with the bottom of the water tank; one side of the bottom of an inner cavity of the water tank is fixedly connected with a water pump through a supporting plate, and the output end of the water pump is communicated with a cooling pipe; and the bottom end of the cooling pipe penetrates through the water tank and extends to the bottom of the water tank. The invention relates to the technical field of power equipment. The power equipment cooling device can dissipate heat of power equipment inside the electric power cabinet body according to actual conditions, so that the overall heat dissipation effect is greatly improved, the electric equipment can be subjected to heat dissipation in all directions, and the heat dissipationeffect is safe and reliable through cooling of the cooling pipe; the heat dissipation effect is good after the power equipment works for a long time, the service life of the power equipment is prolonged, and the practicability is high, hot air in the electric power cabinet body can be discharged in time, and the electric power cabinet body can achieve a high dustproof function.

The invention discloses a transformer with strong heat dissipation performance, including terminals, sprinkler head, shield, valve, Plate, vent, Water inlet, radiator, Sealing plate, jamming slot, Fixed clip and bobbin wheel, the lower side of the terminal post is provided with a housing, and the inner side of the shell is provided with an inner bin, the spray head is installed in the inner bin, an iron core is arranged on the inner side of the heat dissipation frame, the sealing plate is embedded on both sides of the inner side of the shell, the clamping groove is embedded on the back side ofthe shell, the inner side of the fixing card is provided with the clamping groove, and the winding wheel is installed on the back side of the protective shell. The device of the invention realizes the high-efficiency heat dissipation effect by setting multiple heat dissipation structures, thereby ensuring the use safety of the device and greatly improving the practicability of the device.

A solid oxide fuel cell stack with a uniform flow distribution structure and a metal sealing member is provided, in which fuel and air introduced into the solid oxide fuel cell stack are preheated to a predetermined temperature by heat exchangers provided therein and uniformly distributed over the entire anode and cathode reaction surfaces of unit cells to improve the use efficiency of a fuel cell and in which the sealing of the fuel cell stack is effectively maintained even under high temperature and high pressure conditions to ensure the safety of the fuel cell and increase its durability.a heat exchanger at an anode side configured to preheat fuel introduced through the fuel inlet and uniformly distribute the preheated fuel to the respective unit cells provided in the cell stack; anda sealing member for sealing and electrically insulating between the bottom plate, the lower plate, the unit cells, the heat exchanger at the cathode side, and the heat exchanger at the anode side,wherein the cell stack, the heat exchangers, and the sealing member comprise a plurality of flow passages of fuel and air which are formed to penetrate therethrough, respectively, the flow passages including inlet passages through which the fuel and air are introduced and outlet passages through which the fuel and air are discharged, the inlet passages configured in such a manner that their areas gradually decrease from inlet sides thereof to the insides, the outlet passages configured in such a manner that their areas gradually increases toward outlet sides thereof.9. A fuel cell vehicle comprising the fuel cell system of claim 8.

This invention relates to heat sink mould group, which comprises a heating element, a heat sink device composed of a base and prolonged some radiating fins, thermal interfacial material sealed among the base, thin membrane and heating element to prevent itself volatilization or overflow and ensure security, and porous thin membrane around the interfacial material with carbon nano pipe benefit to decrease contact thermal resistance. The invention also provides the corresponding manufacture method.

The invention particularly relates to a power distribution box, and belongs to the technical field of electrical control. By virtue of the power distribution box, electromagnetic interference betweenhigh-voltage and low-voltage components can be avoided, and safety and reliability are achieved; meanwhile, the power distribution box provides an electromagnetic shielding function, so that the normal operation requirement of an electric control box can be satisfied; the power distribution box comprises a box body, a box door and components placed in the box body; one side of the box door is hinged with the power distribution box body through several door hinges; a ring of sealed shielding door frame is arranged in the opening of the power distribution box body; the inner side edge of the shielding door frame is fixedly connected with the power distribution box body, and an electromagnetic shielding door sealed structure is arranged between the outer side edge and the inner side surface of the box door; the electromagnetic shielding door sealed structure comprises a sealed frame substrate and a conductive rubber sealed frame; the sealed frame substrate is fixedly connected with the inner side of the box door; the conductive rubber sealed frame is glued and fixed on the sealed frame substrate through conductive adhesive; and the position of the conductive rubber sealed frame is corresponding to the outer side edge position of the shielding door frame.

The invention relates to a large-scale shielding motor flywheel housing hot jacket process, and the process adopts a crane (1), a hanging belt (2), a first hanging ring (3), a second hanging ring (5) and a thermal insulation cylinder (7) for assembly; a flywheel housing (6) is installed in the thermal insulation cylinder (7), the flywheel housing (6) is rounded, and the roundness tolerance of an inner hole of the flywheel housing (6) is less than 0.1 mm; and the whole heat preservation cylinder (7) provided with the flywheel shell (6) is put into a heating furnace (8) to be heated by adopting a second hanging ring (5). The problems that the thin-wall part is poor in shrinkage fit roundness, uneven in heating and fast in heat dissipation, the assembly clearance is difficult to guarantee in the shrinkage fit process, the thin-wall part of the flywheel shell is prone to deflection and clamping stagnation of the flywheel in the shrinkage fit mode are solved, and the shrinkage fit quality of the flywheel shell of the thin-wall part and the performance of a shielding motor are guaranteed.

The invention discloses an electric cabinet which comprises a cabinet body and components arranged in the cabinet body, and the electric cabinet is characterized in that the components consist of a high-pressure component and a low-pressure component; the cabinet body is separated from the middle, including a first cabinet body and a second cabinet body; the high-pressure component is arranged in the first cabinet body, the low-pressure component is arranged in the second cabinet body, the first cabinet body and the second cabinet body of the electric cabinet are respectively and internally provided with a fan for radiating; the electric cabinet is further provided with a cabinet door, the outer side of the cabinet door is provided with a door lock and a plurality of control buttons, and the control buttons are orderly arranged on the cabinet door; a display panel for displaying control parameters of an engraving and milling machine is arranged on the cabinet door; and two protective handles are arranged on the cabinet door and arranged on two sides of the control buttons. The electric cabinet avoids electromagnetic interference between the high-pressure component and the low-pressure component, is safe and reliable as the electric components are radiated by the fan, has a reasonable structure, and is safe to use and good in reliability.

The invention relates to an oil storage tank heating and oil-water-sand separating device for oil field, which can be used for non-continuously heating a field oil storage tank in winter and for accelerating separation of water and sand from oil and automatically discharging water and sand to the outside of the tank by heating. The device comprises a master controller, a heating apparatus, an oil storage tank and a buffer tank. A heat exchanger in the invention adopts a single-pipe double-layer design. As a result, the inventive device solves the problem of an existing oil storage tank that crude oil fails for transportation due to condensation of the crude oil in the tank at an extremely low temperature in winter, discharges water and sand from the crude oil by low temperature heating at the same time, adopts simple water as heat conducting carrier, and greatly lowers costs.

The invention provides a method and device for fan speed adjusting and a blade server. The blade server comprises at least one server one board, at least one cooling fan and a case management module;the method is characterized by including the steps that a one board PWM duty ratio sent by a one board management controller of each server one board is received, and according to the received one board PWM duty ratio, a first PWM duty ratio is determined; a second PWM duty ratio and detected signals sent by the case management module simultaneously are received; when no detected signals are received, the first PWM duty ratio is sent to the cooling fan, and when the detected signals are received again, the second PWM duty ratio is sent to the cooling fan. By means of the method, the device andthe blade server, under the condition that the case management module fails, the rotation speed of the cooling fan can be adjusted and controlled, so that safe and reliable heat dissipation of a system is better guaranteed.

A solid oxide fuel cell stack with a uniform flow distribution structure and a metal sealing member is provided, in which fuel and air introduced into the solid oxide fuel cell stack are preheated to a predetermined temperature by heat exchangers provided therein and uniformly distributed over the entire anode and cathode reaction surfaces of unit cells to improve the use efficiency of a fuel cell and in which the sealing of the fuel cell stack is effectively maintained even under high temperature and high pressure conditions to ensure the safety of the fuel cell and increase its durability.

The invention discloses a novel embedded LED spotlight. The embedded LED spotlight comprises a lens, a reflective film, an oil-immersed radiator, telescopic rods, bearings, a dust cover, a motor, fanblades, a heat dissipating opening, a card cover and a focusing tube, wherein the reflective film is arranged at the inner top of the lens, the oil-immersed radiator is arranged at the top of the reflective film, the telescopic rods are arranged on both sides of the oil immersed radiator, the bearings are arranged at the joints of the telescopic rods and a light tube, the dust cover covers the inner top of the light tube, the motor is arranged inside the dust cover, the fan blades are arranged at the top of the motor, and the focusing tube is arranged at the top of the card cover. The embeddedLED spotlight has a scientific and reasonable structure and is safe and convenient to use; the oil-immersed radiator is arranged to facilitate the heat dissipation of the LED light body, the motor and the fan blades are arranged to facilitate the discharge of hot air inside the light tube, and the card cover and the focusing tube are arranged to help users adjust the focus and change a pattern.

The invention provides a cylinder-wall-variable heat conducting structure, comprising an air cylinder body, wherein the air cylinder body is internally provided with a cylinder body allowing a piston to move, the periphery of the cylinder body is provided with a cooling channel allowing an engine cooling liquid to pass, and a heat-conducting switching member for switching heat-conducting matters is further arranged between the cooling channel and the cylinder body. According to the cylinder-wall-variable heat conducting structure disclosed by the invention, by means of the heat-conducting switching member, a heat-exchange pipeline between the cylinder body and the cooling channel has different heat-conducting efficiencies, so that the heat-conducting efficiency between the cylinder body and the cooling channel can be changed, during cold start of an engine, the temperature of the cylinder body can reach the optimal temperature rapidly by reducing the heat-conducting efficiency between the cylinder body and the cooling channel, and thus, the oil consumption is reduced after the cold start of the engine.

The invention discloses nano-fiber melt-blowing equipment which is safe and stable in production and is high in production quality. The nano-fiber melt-blowing equipment comprises a melt-blowing machine body and a supporting framework for supporting the melt-blowing machine body, wherein one end, close to a charge hole of the melt-blowing machine body, at the outer side of the supporting frameworkis equipped with a feeding device; the feeding device comprises a material barrel which is positioned on ground, close to the side of the supporting framework for loading and unloading raw materials;a feeder is connected above the material barrel; the top end of the feeder is connected with a hopper; a feeding tube at the bottom end of the feeder is inserted into the material barrel; a feeding tube at the top end of the feeder is inserted into the hopper; and the hopper is funnel-shaped, and is positioned above the charge hole of the melt-blowing machine body. A suction type feeder is arranged in the feeding device, so that loading is time-saving and labor-saving, and therefore, supply amount of melt needed for spinning is constant. The nano-fiber melt-blowing equipment is scientific andreasonable in structure, and is safe and convenient to use.

The invention discloses an automobile film glue production and preparation device capable of automatically eliminating glue bubbles, automobile film glue is arranged in a preparation tank for production, and the lower end of the preparation tank is fixedly mounted at the upper end of a movable frame through a heat dissipation seat; comprising a storage tank fixedly mounted on the right side of the upper surface of a moving frame; the liquid guide pipe is mounted on the side surfaces of the blending tank and the storage tank in a penetrating manner; the driving gear is rotationally mounted at the lower end of the supporting frame; the heat collection tank is fixedly arranged at the bottom of the blending tank in an embedded manner; and the heat dissipation groove is formed in the heat dissipation base and the movable frame. According to the automobile film glue production and preparation device capable of automatically eliminating the glue bubbles, a novel structural design is adopted, the device is provided with an automatic defoaming structure, the glue production quality can be improved, a temperature monitoring heat dissipation structure is arranged in the device, glue components can be prevented from going bad in the high-temperature production state, and the glue production and processing effect is improved.

The invention discloses a helmet for strengthening hair roots and for promoting hair growth, and relates to the field of electromechanical apparatuses. The helmet for strengthening hair roots and for promoting hair growth comprises a helmet main body, wherein a plurality of laser radiation light sources are arranged in the helmet main body, and the laser radiation light sources are conducted by gold; and a radiating device is additionally arranged in the helmet. A control button of the radiation light sources is additionally arranged on a housing of the helmet main body. 80 laser radiation light sources are arranged. According to the helmet provided by the invention, on the basis of a revolutionary laser technology, up to 80 full-laser radiation points are designed to completely cover a scalp of hair loss; according to the design, a pure gold conductor is adopted, so that rapid and safe heat radiation and long-term application are guaranteed; and the helmet can effectively prevent hair loss and promote hair growth, so that a user can easily have abundant and bright hair and can regain confidence.

The invention, which relates to the field of mechanical and electrical appliances, discloses a method for making a helmet for strengthening the hair root and promoting hair growth. The method comprises: step one, a helmet with a dual-layer structure is used and hole drilling is carried out on the helmet; step two, a heat radiation assembly of each laser head is dismounted and a collecting lens and a spring arranged internally are removed, and the laser heads is inserted into the drilled holes; and step three, the laser heads are connected in parallel. Furthermore, the employed laser head has the 650 wavelength and 5-milliwatt power; and 80 laser heads are distributed uniformly. On the basis of the revolutionary laser technique, 80 full-laser irradiation points cover the whole scalp with hairs lost; with the pure-gold conductor in design, heat radiation is carried out rapidly and safely, so that the helmet has a long service life; the hair losing can be prevented and hair growth is promoted; and thus the user with the growing thick and glossy hair becomes confident.

The invention relates to a control system of a pressure-limiting glass evacuated solar water heater without a water tank. An electric heating pipe and a water temperature / level sensor are arranged in a heat collector. A water feeding valve is arranged on a water inlet pipe of the heat collector. A hot water faucet, a water flow sensor, a check valve, a relief valve, a water pressure switch, a safety valve, an expansion valve and an intake valve are sequentially arranged in the direction from the water outlet of a water outlet pipe of the heat collector to the heat collector. The water pressure switch is electrically connected with the water feeding valve and a controller. The water outlet pipe between the check valve and the water flow sensor is connected with the water inlet of the waterinlet pipe by a cold water pipe which is provided with a signal valve. The water flow sensor, the intake valve, the relief valve and the signal valve are all connected with the controller. The systemadopts the water pressure switch on the water outlet pipe to detect the water pressure in the heat collector and to combine the signal valve on the cold water pipe to ensure the water heater to supply water normally, which is simple in structure, reasonable in design, safe, convenient, good in freeze-proof and shock-proof effects, high in intelligent control degree and free from potential safety hazard.

The invention discloses a heat dissipation device for a uniform-temperate plate for an LED lamp. The heat dissipation device comprises a heat dissipation channel tube, a low-heat-dissipation fish fin,the uniform-temperature plate and an LED lamp mounting seat, wherein a tube connecting seat is arranged on one side of the heat dissipation channel tube, one side of the tube connecting seat is provided with an air inlet tube, one side of the air inlet tube is provided with an air inlet valve, an air filter is arranged on one side of the air inlet valve, an air blower is arranged on one side of the air filter, the top of the air blower is provided with the air inlet tube, the other side of the heat dissipation channel pipe is provided with a high-heat-dissipation fish fin, and one side of thehigh-heat-dissipation fish fin is provided with the low-heat-dissipation fish fin. The heat dissipation device for the uniform-temperate plate for the LED lamp has the beneficial effects that the heat dissipation fish fins cooperate with the uniform-temperature plate for use, so that the use of the device is safe and reliable, uniform heat dissipation can be achieved, moreover, large-area heat dissipation is facilitated for a long-strip-shaped LED lamp, and the heat dissipation effect can reach the optimal state for a lamp which works for a long time.

A thermal assembly includes a heat source ( 10 ), a heat sink ( 50 ), a thermal interface material ( 30 ) and a porous membrane ( 20 ). The heat sink is over the heat source. The thermal interface material is enclosed with the porous membrane, with both being between the heat source and the heat sink. The porous membrane has a number of holes ( 23 a) in which a number of carbon nanotubes ( 28 ) are provided. A method for fabricating the thermal assembly includes the following steps. The heat source having a surface is provided, wherein the surface defines a central part. The thermal interface material is coated onto the central part of the surface of the heat source. The thermal interface material is enclosed with the porous membrane, the porous membrane having the holes in which the carbon nanotubes are provided. The heat sink is attached to the heat source.

The invention discloses a high-safety cable bridge specially for power transmission and transformation, which comprises a bridge shell and a humidity detector, wherein the bottom part of the bridge shell is provided with a fixedly-mounted base; two ends, below the fixedly-mounted base, are provided with fixing supports; the front side and the rear side of the bridge shell are provided with air vents; the air vent is internally provided with a dustproof filter net; the humidity detector is arranged at the left lower side inside the bridge shell; the middle position below the inner part of the bridge shell is provided with a temperature detector; and the middle position above the inner part of the bridge shell is provided with a smoke detector. The high-safety cable bridge specially for power transmission and transformation has the beneficial effects that the structure is scientific and reasonable; due to the air vents, cooling of the bridge is facilitated; due to the dustproof filter net, dust entering the cable bridge can be effectively filtered, the problems of line overheat or fire happening to the surface of the line due to dust accumulation are avoided; and due to the humiditydetector and the temperature detector, the temperature and the humidity inside the bridge can be detected in real time.